Hi guys,
Iwanted to share my trans-fluid-change-experience with you.
I recently replaced diff and transfer-case-fluids - rear diff was ok, transfer-case and front diff were really necessary - but ran out of time for the transmission itself.
I had always some hard shifting issues, clonking when shifting from P to R or D, sloppy acceleration from a stop, etc.. on my 2023 ST with 43k miles, that I got with 37k.
Last Saturday I tackled the job.
- sucked out old fluid with my vacuum oil-changing device that I use for my quick in-between oil-changes. Got around 4.5qts out. The reason I sucked it out before I dropped the pan was to not make too much of a mess.
- then I marked the positions of the stud-blots holding the pan with an oil-ink-sharpie.
- took out all the bolts and studs and dropped the pan.
-> disgusting. slush everywhere. the magnets where full of it but also the bootom of the pan. Fluid wasn't red anymore. brown and gross.
- the filter, that I replaced, was also full off this gravy.
- I cleaned everything, the pan, the gasket mating surfaces, the magnets.
I put the pan back on with a new filter, new o-ring and a new gasket (gasket wasn't necessary, I could've reused it without problems), torqued everything to spec and pre-filled with Mercon ULV.
Let the car idle for a while and filled up to 3.5. I wasn't able to get the trans to full temperature of 200F so I decided to leave some room for expansion and didn't fill up to 3.
What can I say? All the issues are gone. Shifts smooth like butter. No clonking, no harshness. Shifts faster and much more precisely.
While I had the car on the lift I also installed an cp-e rear diff bracket. I assume this helped too to get rid of this sloppy acceleration feeling.
I think the filter was partially clogged and kept the little valves to work properly.
The whole job took me around 1h on a hoist. 6.1qts of Mercon ULV (the tad comes from the amount that's in the handpump), a OEM-filter incl. OEM-seal and a OEM-pan-gasket. Let it maybe be $120 at Rock-Auto.
And it's so totally worth it.
Do it guys, it's an easy and straightforward job.
Tools needed:
- 19mm tilting ratcheting wrench.
- deep 13mm, normal 8 or 10mm (I can't remember) socket.
- handpump
- a lot of brake-cleaner
If you have any questions, just ask.
Cheers,
Pat
Iwanted to share my trans-fluid-change-experience with you.
I recently replaced diff and transfer-case-fluids - rear diff was ok, transfer-case and front diff were really necessary - but ran out of time for the transmission itself.
I had always some hard shifting issues, clonking when shifting from P to R or D, sloppy acceleration from a stop, etc.. on my 2023 ST with 43k miles, that I got with 37k.
Last Saturday I tackled the job.
- sucked out old fluid with my vacuum oil-changing device that I use for my quick in-between oil-changes. Got around 4.5qts out. The reason I sucked it out before I dropped the pan was to not make too much of a mess.
- then I marked the positions of the stud-blots holding the pan with an oil-ink-sharpie.
- took out all the bolts and studs and dropped the pan.
-> disgusting. slush everywhere. the magnets where full of it but also the bootom of the pan. Fluid wasn't red anymore. brown and gross.
- the filter, that I replaced, was also full off this gravy.
- I cleaned everything, the pan, the gasket mating surfaces, the magnets.
I put the pan back on with a new filter, new o-ring and a new gasket (gasket wasn't necessary, I could've reused it without problems), torqued everything to spec and pre-filled with Mercon ULV.
Let the car idle for a while and filled up to 3.5. I wasn't able to get the trans to full temperature of 200F so I decided to leave some room for expansion and didn't fill up to 3.
What can I say? All the issues are gone. Shifts smooth like butter. No clonking, no harshness. Shifts faster and much more precisely.
While I had the car on the lift I also installed an cp-e rear diff bracket. I assume this helped too to get rid of this sloppy acceleration feeling.
I think the filter was partially clogged and kept the little valves to work properly.
The whole job took me around 1h on a hoist. 6.1qts of Mercon ULV (the tad comes from the amount that's in the handpump), a OEM-filter incl. OEM-seal and a OEM-pan-gasket. Let it maybe be $120 at Rock-Auto.
And it's so totally worth it.
Do it guys, it's an easy and straightforward job.
Tools needed:
- 19mm tilting ratcheting wrench.
- deep 13mm, normal 8 or 10mm (I can't remember) socket.
- handpump
- a lot of brake-cleaner
If you have any questions, just ask.
Cheers,
Pat
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